
Fig.1
Three-electrode cell. WE: working electrode, Re1. reference electrode, CE: counter-electrode.

Fig.2
Frequency and amplitude of the interpolated points. central frequency of the dispersion.

Fig.3
Resistance (Black) and reactance series equivalents (Steel Blue) of the EEI versus frequency for AISI 304 stainless steel electrode polished with sandpaper #180 in NaCl 0.9% solution. Overpotential applied = 10 mV.

Fig.4
Reactance series equivalent of the ZEEI versus frequency. Experimental data (◼) and applying the KK equation (4) to the experimental data (x).

Fig.5
Resistance series equivalent of the EEI impedance. Expanded dataset (ο) and Experimental data (∙).

Fig.6
Reactance series equivalents of the EEI versus frequency. Experimental data (
) and applying the KK equation (4) to the expanded dataset (x).

Fig.7
Percentage change of Red point: case without extrapolation (figure 4). Blue point: